<template>
  <div id="userLayout">
    <div class="login_panle">
      <div class="login_panle_form">
        <div class="login_panle_form_title">
          <img class="login_panle_form_title_logo" :src="require('@/assets/img/logo/logo-login.png')" alt="" />
          <p class="login_panle_form_title_p">XX中学智慧校园系统</p>
        </div>
        <el-form ref="loginForm" :model="loginForm" :rules="rules" @keyup.enter.native="submitForm">
          <el-form-item prop="username">
            <el-input v-model="loginForm.username" placeholder="请输入用户名">
              <i slot="suffix" class="el-input__icon el-icon-user" />
            </el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input v-model="loginForm.password" :type="lock === 'lock' ? 'password' : 'text'" placeholder="请输入密码">
              <i slot="suffix" :class="'el-input__icon el-icon-' + lock" @click="changeLock" />
            </el-input>
          </el-form-item>
          <el-form-item style="position: relative">
            <el-input v-model="loginForm.captcha" name="logVerify" placeholder="请输入验证码" style="width: 63%" />
            <div class="vPic">
              <img v-if="picPath" :src="picPath" width="100%" height="100%" alt="请输入验证码" @click="loginVerify()" />
            </div>
          </el-form-item>
          <div />
          <el-form-item>
            <!-- <el-button type="primary" style="width: 46%" @click="checkInit">前往初始化</el-button> -->
            <el-button type="primary" style="width: 100%" @click="submitForm">登 录</el-button>
          </el-form-item>
        </el-form>
      </div>
      <div class="login_panle_right" />
    </div>
  </div>
</template>

<script>
import { mapActions } from 'vuex'
import { captcha } from '@/api/user'
import { checkDB } from '@/api/initdb'
export default {
  name: 'Login',
  data() {
    const checkUsername = (rule, value, callback) => {
      if (value.length < 5) {
        return callback(new Error('请输入正确的用户名'))
      } else {
        callback()
      }
    }
    const checkPassword = (rule, value, callback) => {
      if (value.length < 6) {
        return callback(new Error('请输入正确的密码'))
      } else {
        callback()
      }
    }
    return {
      curYear: 0,
      lock: 'lock',
      loginForm: {
        username: 'admin',
        password: '123456',
        captcha: '',
        captchaId: ''
      },
      rules: {
        username: [{ validator: checkUsername, trigger: 'blur' }],
        password: [{ validator: checkPassword, trigger: 'blur' }]
      },
      logVerify: '',
      picPath: ''
    }
  },
  created() {
    this.loginVerify()
    this.curYear = new Date().getFullYear()
  },
  methods: {
    ...mapActions('user', ['LoginIn']),
    async checkInit() {
      const res = await checkDB()
      if (res.code === 0) {
        if (res.data?.needInit) {
          this.$store.commit('user/NeedInit')
          this.$router.push({ name: 'Init' })
        } else {
          this.$message({
            type: 'info',
            message: '已配置数据库信息，无法初始化'
          })
        }
      }
    },
    async login() {
      return await this.LoginIn(this.loginForm)
    },
    async submitForm() {
      this.$refs.loginForm.validate(async (v) => {
        if (v) {
          const flag = await this.login()
          if (!flag) {
            this.loginVerify()
          }
        } else {
          this.$message({
            type: 'error',
            message: '请正确填写登录信息',
            showClose: true
          })
          this.loginVerify()
          return false
        }
      })
    },
    changeLock() {
      this.lock = this.lock === 'lock' ? 'unlock' : 'lock'
    },
    loginVerify() {
      captcha({}).then((ele) => {
        this.picPath = ele.data.picPath
        this.loginForm.captchaId = ele.data.captchaId
      })
    }
  }
}
</script>

<style lang="scss" scoped>
@import '@/style/newLogin.scss';
</style>
